Lena wants Mariana’s quinceañera to be perfect, but Mariana uncovers a secret that may ruin her day. Meanwhile, Lena’s mom visits; and Stef reminds Brandon of the dating rules when she observes his and Talya’s friction over Callie.
Lena’s ex-girlfriend comes to visit and reveals a secret. Callie wants to help Talya when an embarrassing video of her is circulating around the school.
Brandon contemplates the big decision of whether to get a surgery that could either restore or destroy his dream of playing piano, but Stef and Lena find themselves on opposite ends of the debate.
Callie and Jude are getting adopted, but a problem interrupts it. Jude gets asked out on a date and Brandon makes another bad decision that he will regret.